明朝成(chéng )化年间，朝纲腐(fǔ )败，奸邪(xié )当道。西厂东厂为宦官(guān )把(bǎ )持，混淆(xiáo )黑白，陷害(hài )忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数(shù )名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲(jìn )的西厂(chǎng )